Home / 1,498.15-2,246.25-718.13

Finding the Fourth Proportional to 1,498.15, 2,246.25 and 718.13

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Solution

The fourth proportional to 1,498.15, 2,246.25 and 718.13 is: 1,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.15 : 2,246.25 = 718.13 : x
  2. Step 2: Convert to fraction form
    1,498.15/2,246.25 = 718.13/x
  3. Step 3: Cross multiply
    1,498.15x = 2,246.25 × 718.13
  4. Step 4: Simplify right side
    1,498.15x = 1,613,106.92
  5. Step 5: Solve for x
    x = 1,613,106.92/1,498.15
  6. Step 6: Final answer
    x = 1,076.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.